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-   -   Exhaust valves on JB4 M4 Problems (https://www.n54tech.com/forums/showthread.php?t=56140)

Valon007 12-10-2018 11:41 AM

Exhaust valves on JB4 M4 Problems
 
Hi,

I have an M4 2015" with Jb4, xpipe and an Lightweight Titanium Exhaust on.
(The Jb4 and the exhaust were from a Friend, he had it only 2 Weeks in his car M4 2016)

I made both mods together and my valves are now constant open, I tried to close them with the BC Fonction, but I have no reaction. Nothing happens.

The valves on my stock exhaust were working on changing to sport or sport +.

Can anybody help me please?:)

Terry @ BMS 12-10-2018 11:49 AM

Are the exhaust flappers still plugged in? :)

Valon007 12-10-2018 12:02 PM

yes it's plugged in

Terry @ BMS 12-10-2018 12:06 PM

Don't know then, the JB4 doesn't care what exhaust system the valves are attached to.


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